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Table 2 Physical activity and sedentary time (total day: 07:00–00:00) at one year follow up in the intervention children compared to control

From: Effect of major school playground reconstruction on physical activity and sedentary behaviour: Camden active spaces

  Full sample Under 9 yr. olds 9–10 yr. olds
Sedentary (min/d)
 Control Ref Ref Ref
 Intervention −3.8 (−29.2, 21.6) −28.0 (−1.9, −54.1) 18.7 (−20.6, 57.9)
Light PA (min/d)
 Control Ref Ref Ref
 Intervention 4.1 (−17.9, 26.1) 24.6 (0.3, 48.9) −13.1 (−46.2, 20.1)
MVPA (min/d)
 Control Ref Ref Ref
 Intervention −1.4 (−7.1, 4.2) 3.5 (−3.0, 10.0) −7.7 (−18.3, 2.9)
Total cpm
 Control Ref Ref Ref
 Intervention −5.5 (−119.9, 108.9) 109.1 (−2.8, 221.0) −135.8 (−344.6, 73.1)
  1. Coefficients (95% CI) adjusted for age, sex, ethnicity, ratio activity or sedentary/wear time at baseline, wear time at follow up (as fixed effects), and school (as random effect)